Answer:
19.2 ft
Step-by-step explanation:

Answer:
-0.777145961
Step-by-step explanation:
cos(141)=-0.777145961
Answer:
A & B
Step-by-step explanation:
15/20 is not equal
6/8 is not equal
30/50 is equal
12/20 is equal
Answer:
x = 6
Step-by-step explanation:
5 sides all the same length
s = 22.5/5
s = 4.5
--------------------
x - 1.5 = 4.5
Add 1.5 to both sides
x = 6
Answer:
85 ft
Step-by-step explanation:
for all right triangles, triangles with a 90 degree angle, the sides are equal to
where c is the hypotenuse, or the longest side.
so... 

c= 85